title: Calcification of radiolucent gall stone during treatment with ursodeoxycholic acid.
mesh_terms: D002114:Calcinosis / Q000139:chemically induced*; D002635:Chenodeoxycholic Acid / Q000627:therapeutic use; D002769:Cholelithiasis / Q000188:drug therapy*; D003840:Deoxycholic Acid / Q000031:analogs & derivatives*; D006801:Humans; D014580:Ursodeoxycholic Acid / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D003840:Deoxycholic Acid; D002635:Chenodeoxycholic Acid; D014580:Ursodeoxycholic Acid